What is the cheapest airline that flies from Washington, D.C. Reagan-National to Kastrup Copenhagen?

Delta, United Airlines, and Virgin Atlantic are the most popular carriers operating from Washington, D.C. Reagan-National to Kastrup Copenhagen

When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Kastrup Copenhagen Airport?

Prices for flights from Washington, D.C. Reagan-National Airport to Kastrup Copenhagen Airport were last updated today.

How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Kastrup Copenhagen Airport?

There is 1 operator available for flights from Washington, D.C. Reagan-National Airport to Kastrup Copenhagen Airport as of September 2026.

What documentation or ID do you need to fly to Kastrup Copenhagen Airport?

The travel and health documents you'll need for your trip to Kastrup Copenhagen Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kastrup Copenhagen Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$308 Cheap Flights from Washington, D.C. Reagan-National Airport to Copenhagen in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Copenhagen

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:15 pm - 6:55 amDCA Washington, D.C. Reagan-National-CPH Kastrup Copenhagen

10h 40m1 stop Boston Logan Intl

12:55 pm - 10:55 pmCPH Kastrup Copenhagen-DCA Washington, D.C. Reagan-National

16h 00m1 stop New York John F Kennedy Intl

$622Scandinavian Airlines

Mon, Oct 26 - Wed, Nov 4

3:15 pm - 6:55 amDCA Washington, D.C. Reagan-National-CPH Kastrup Copenhagen

10h 40m1 stop Boston Logan Intl

12:55 pm - 10:55 pmCPH Kastrup Copenhagen-DCA Washington, D.C. Reagan-National

16h 00m1 stop New York John F Kennedy Intl

$626Scandinavian Airlines

Mon, Oct 26 - Wed, Nov 4

3:15 pm - 6:55 amDCA Washington, D.C. Reagan-National-CPH Kastrup Copenhagen

10h 40m1 stop Boston Logan Intl

12:50 pm - 10:55 pmCPH Kastrup Copenhagen-DCA Washington, D.C. Reagan-National

16h 05m2 stops Toronto Pearson Intl New York John F Kennedy Intl

$630Scandinavian Airlines

Mon, Oct 26 - Wed, Nov 4

3:15 pm - 6:55 amDCA Washington, D.C. Reagan-National-CPH Kastrup Copenhagen

10h 40m1 stop Boston Logan Intl

12:50 pm - 10:55 pmCPH Kastrup Copenhagen-DCA Washington, D.C. Reagan-National

16h 05m2 stops Toronto Pearson Intl New York John F Kennedy Intl

$634Scandinavian Airlines

Mon, Oct 26 - Wed, Nov 4

1:20 pm - 6:55 amDCA Washington, D.C. Reagan-National-CPH Kastrup Copenhagen

11h 35m1 stop Boston Logan Intl

1:20 pm - 10:03 pmCPH Kastrup Copenhagen-DCA Washington, D.C. Reagan-National

14h 43m1 stop Boston Logan Intl

$636Scandinavian Airlines

Mon, Nov 9 - Mon, Nov 16

11:55 am - 6:55 amDCA Washington, D.C. Reagan-National-CPH Kastrup Copenhagen

13h 00m1 stop Boston Logan Intl

12:55 pm - 10:24 pmCPH Kastrup Copenhagen-DCA Washington, D.C. Reagan-National

15h 29m1 stop New York John F Kennedy Intl

$636Scandinavian Airlines

Thu, Dec 3 - Mon, Dec 7

3:15 pm - 6:55 amDCA Washington, D.C. Reagan-National-CPH Kastrup Copenhagen

10h 40m1 stop Boston Logan Intl

1:20 pm - 7:59 pmCPH Kastrup Copenhagen-DCA Washington, D.C. Reagan-National

12h 39m1 stop Boston Logan Intl

$636Scandinavian Airlines

Tue, Oct 27 - Mon, Nov 2

6:08 am - 8:40 amDCA Washington, D.C. Reagan-National-CPH Kastrup Copenhagen

20h 32m1 stop New York John F Kennedy Intl

12:55 pm - 10:55 pmCPH Kastrup Copenhagen-DCA Washington, D.C. Reagan-National

15h 00m1 stop New York John F Kennedy Intl

$636Scandinavian Airlines

Mon, Oct 19 - Mon, Oct 26

8:45 pm - 10:20 amDCA Washington, D.C. Reagan-National-CPH Kastrup Copenhagen

31h 35m1 stop Toronto Pearson Intl

11:35 am - 10:38 pmCPH Kastrup Copenhagen-DCA Washington, D.C. Reagan-National

17h 03m1 stop Toronto Pearson Intl

$763United Airlines

Wed, Dec 2 - Sun, Dec 6

9:40 am - 10:20 amDCA Washington, D.C. Reagan-National-CPH Kastrup Copenhagen

18h 40m1 stop Toronto Pearson Intl

11:35 am - 6:18 pmCPH Kastrup Copenhagen-DCA Washington, D.C. Reagan-National

12h 43m1 stop Toronto Pearson Intl

$763United Airlines

Sat, Nov 28 - Sat, Dec 5

Cheap last minute flights

Enter your travel dates to find the best prices.

11:00 am - 10:50 amDCA Washington, D.C. Reagan-National-CPH Kastrup Copenhagen

17h 50m1 stop Toronto Pearson Intl

6:50 am - 6:15 pmCPH Kastrup Copenhagen-DCA Washington, D.C. Reagan-National

17h 25m2 stops Brussels Bruxelles-National Toronto Pearson Intl

$851Air Canada

Thu, Sep 10 - Sat, Sep 19

12:55 pm - 10:50 amDCA Washington, D.C. Reagan-National-CPH Kastrup Copenhagen

15h 55m2 stops Ottawa Toronto Pearson Intl

6:50 am - 6:15 pmCPH Kastrup Copenhagen-DCA Washington, D.C. Reagan-National

17h 25m2 stops Brussels Bruxelles-National Toronto Pearson Intl

$851Air Canada

Thu, Sep 10 - Sat, Sep 19

3:00 pm - 11:45 amDCA Washington, D.C. Reagan-National-CPH Kastrup Copenhagen

14h 45m1 stop Minneapolis St Paul

9:00 am - 4:32 pmCPH Kastrup Copenhagen-DCA Washington, D.C. Reagan-National

13h 32m1 stop New York John F Kennedy Intl

$851Delta

Sun, Sep 13 - Sat, Sep 19

11:10 am - 6:45 amDCA Washington, D.C. Reagan-National-CPH Kastrup Copenhagen

13h 35m1 stop New York John F Kennedy Intl

9:00 am - 4:32 pmCPH Kastrup Copenhagen-DCA Washington, D.C. Reagan-National

13h 32m1 stop New York John F Kennedy Intl

$901Delta

Thu, Sep 10 - Sat, Sep 19

8:40 pm - 10:50 amDCA Washington, D.C. Reagan-National-CPH Kastrup Copenhagen

32h 10m1 stop Toronto Pearson Intl

6:20 am - 6:15 pmCPH Kastrup Copenhagen-DCA Washington, D.C. Reagan-National

17h 55m2 stops Frankfurt am Main Toronto Pearson Intl

$914Air Canada

Tue, Sep 8 - Sun, Sep 13

9:40 am - 11:05 amDCA Washington, D.C. Reagan-National-CPH Kastrup Copenhagen

19h 25m2 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National

6:20 am - 6:15 pmCPH Kastrup Copenhagen-DCA Washington, D.C. Reagan-National

17h 55m2 stops Frankfurt am Main Toronto Pearson Intl

$918Air Canada

Tue, Sep 8 - Sun, Sep 13

6:59 am - 10:50 amDCA Washington, D.C. Reagan-National-CPH Kastrup Copenhagen

21h 51m1 stop Toronto Pearson Intl

2:50 pm - 4:58 pmCPH Kastrup Copenhagen-DCA Washington, D.C. Reagan-National

32h 08m2 stops Frankfurt am Main Newark

$937United Airlines

Thu, Sep 10 - Sat, Sep 12

12:55 pm - 10:50 amDCA Washington, D.C. Reagan-National-CPH Kastrup Copenhagen

15h 55m2 stops Ottawa Toronto Pearson Intl

2:50 pm - 4:58 pmCPH Kastrup Copenhagen-DCA Washington, D.C. Reagan-National

32h 08m2 stops Frankfurt am Main Newark

$937United Airlines

Thu, Sep 10 - Sat, Sep 12

12:55 pm - 10:50 amDCA Washington, D.C. Reagan-National-CPH Kastrup Copenhagen

15h 55m2 stops Ottawa Toronto Pearson Intl

12:25 pm - 10:34 pmCPH Kastrup Copenhagen-DCA Washington, D.C. Reagan-National

16h 09m2 stops Frankfurt am Main Toronto Pearson Intl

$1,001Air Canada

Thu, Sep 10 - Sun, Sep 13

11:00 am - 10:50 amDCA Washington, D.C. Reagan-National-CPH Kastrup Copenhagen

17h 50m1 stop Toronto Pearson Intl

12:25 pm - 10:34 pmCPH Kastrup Copenhagen-DCA Washington, D.C. Reagan-National

16h 09m2 stops Frankfurt am Main Toronto Pearson Intl

$1,001Air Canada

Thu, Sep 10 - Sun, Sep 13

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Scandinavian Airlines flights from Washington, D.C. Reagan-National Airport to Copenhagen

Our best Scandinavian Airlines deals on Washington, D.C. Reagan-National Airport to Copenhagen flight tickets

Scandinavian Airlines

Oct 26

DCA3:15 pmWashington, D.C. Reagan-National

10h 40m

1 stop

CPH6:55 amKastrup Copenhagen

Nov 4

CPH12:55 pmKastrup Copenhagen

16h 00m

1 stop

DCA10:55 pmWashington, D.C. Reagan-National

$622

Scandinavian Airlines

Oct 26

DCA3:15 pmWashington, D.C. Reagan-National

10h 40m

1 stop

CPH6:55 amKastrup Copenhagen

Nov 4

CPH12:55 pmKastrup Copenhagen

16h 00m

1 stop

DCA10:55 pmWashington, D.C. Reagan-National

$626

Scandinavian Airlines

Oct 26

DCA3:15 pmWashington, D.C. Reagan-National

10h 40m

1 stop

CPH6:55 amKastrup Copenhagen

Nov 4

CPH12:50 pmKastrup Copenhagen

16h 05m

2 stops

DCA10:55 pmWashington, D.C. Reagan-National

$630

Air Canada flights from Washington, D.C. Reagan-National Airport to Copenhagen

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Copenhagen flight tickets

Air Canada

Sep 20

DCA8:40 pmWashington, D.C. Reagan-National

32h 10m

1 stop

CPH10:50 amKastrup Copenhagen

Sep 25

CPH12:45 pmKastrup Copenhagen

26h 10m

1 stop

DCA8:55 amWashington, D.C. Reagan-National

$823

Air Canada

Sep 21

DCA11:00 amWashington, D.C. Reagan-National

17h 50m

1 stop

CPH10:50 amKastrup Copenhagen

Sep 28

CPH12:35 pmKastrup Copenhagen

33h 05m

2 stops

DCA3:40 pmWashington, D.C. Reagan-National

$846

Air Canada

Sep 10

DCA11:00 amWashington, D.C. Reagan-National

17h 50m

1 stop

CPH10:50 amKastrup Copenhagen

Sep 19

CPH6:50 amKastrup Copenhagen

17h 25m

2 stops

DCA6:15 pmWashington, D.C. Reagan-National

$851

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Copenhagen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Copenhagen

DCA Washington, D.C. Reagan-National - CPH Kastrup Copenhagen

DCACPH

Washington, D.C. Reagan-National

Mon 10/26

3:15 pm-6:55 am

1 stop10h 40m

Kastrup Copenhagen

Wed 11/4

12:55 pm-10:55 pm

1 stop16h 00m

$622

Washington, D.C.Copenhagen

DCA Washington, D.C. Reagan-National - CPH Kastrup Copenhagen

DCACPH

Washington, D.C. Reagan-National

Mon 10/26

3:15 pm-6:55 am

1 stop10h 40m

Kastrup Copenhagen

Wed 11/4

12:55 pm-10:55 pm

1 stop16h 00m

$626

Washington, D.C.Copenhagen

DCA Washington, D.C. Reagan-National - CPH Kastrup Copenhagen

DCACPH

Washington, D.C. Reagan-National

Mon 10/26

3:15 pm-6:55 am

1 stop10h 40m

Kastrup Copenhagen

Wed 11/4

12:50 pm-10:55 pm

2 stops16h 05m

$630

Washington, D.C.Copenhagen

DCA Washington, D.C. Reagan-National - CPH Kastrup Copenhagen

DCACPH

Washington, D.C. Reagan-National

Mon 10/26

3:15 pm-6:55 am

1 stop10h 40m

Kastrup Copenhagen

Wed 11/4

12:50 pm-10:55 pm

2 stops16h 05m

$634

Washington, D.C.Copenhagen

DCA Washington, D.C. Reagan-National - CPH Kastrup Copenhagen

DCACPH

Washington, D.C. Reagan-National

Mon 11/9

1:20 pm-6:55 am

1 stop11h 35m

Kastrup Copenhagen

Mon 11/16

1:20 pm-10:03 pm

1 stop14h 43m

$636

Washington, D.C.Copenhagen

DCA Washington, D.C. Reagan-National - CPH Kastrup Copenhagen

DCACPH

Washington, D.C. Reagan-National

Thu 12/3

11:55 am-6:55 am

1 stop13h 00m

Kastrup Copenhagen

Mon 12/7

12:55 pm-10:24 pm

1 stop15h 29m

$636

Quickest round-trip

Washington, D.C.Copenhagen

DCA Washington, D.C. Reagan-National - CPH Kastrup Copenhagen

DCACPH

Washington, D.C. Reagan-National

Tue 10/27

3:15 pm-6:55 am

1 stop10h 40m

Kastrup Copenhagen

Mon 11/2

1:20 pm-7:59 pm

1 stop12h 39m

$636

Washington, D.C.Copenhagen

DCA Washington, D.C. Reagan-National - CPH Kastrup Copenhagen

DCACPH

Washington, D.C. Reagan-National

Mon 10/19

6:08 am-8:40 am

1 stop20h 32m

Kastrup Copenhagen

Mon 10/26

12:55 pm-10:55 pm

1 stop15h 00m

$636

Washington, D.C.Copenhagen

DCA Washington, D.C. Reagan-National - CPH Kastrup Copenhagen

DCACPH

Washington, D.C. Reagan-National

Wed 12/2

8:45 pm-10:20 am

1 stop31h 35m

Kastrup Copenhagen

Sun 12/6

11:35 am-10:38 pm

1 stop17h 03m

$763

Washington, D.C.Copenhagen

DCA Washington, D.C. Reagan-National - CPH Kastrup Copenhagen

DCACPH

Washington, D.C. Reagan-National

Sat 11/28

9:40 am-10:20 am

1 stop18h 40m

Kastrup Copenhagen

Sat 12/5

11:35 am-6:18 pm

1 stop12h 43m

$763

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Copenhagen

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Copenhagen?

The cheapest month to fly to Copenhagen from Washington, D.C. Reagan-National Airport is in May. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel to Copenhagen during the month of May, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $0.

What is the cheapest day to depart on your flight to Copenhagen?

The cheapest day to depart from Washington, D.C. Reagan-National Airport to Copenhagen is on a Wednesday when prices can be found for as low as $709. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Reagan-National Airport to Copenhagen for around $799.

What is the cheapest time of day to depart on your flight to Copenhagen?

Flying to Copenhagen from Washington, D.C. Reagan-National Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $479 when looking at flights departing in the afternoon. Try not to purchase tickets in the evening because they tend to be around $725. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Washington, D.C. Reagan-National Airport to Copenhagen

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Copenhagen according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Copenhagen (DCA to CPH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Copenhagen

Best Price Found	$308
Fastest flight time	12h 35m
Direct flights	None

The best one-way flight to Copenhagen from Washington, D.C. Reagan-National Airport in the past 72 hours is $308. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Copenhagen found on momondo in the last 72 hours is $622.

The fastest flight from Washington, D.C. Reagan-National Airport to Copenhagen takes 12h 35m

There are no direct flights from Washington, D.C. Reagan-National Airport to Copenhagen. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Copenhagen.

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Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Copenhagen

How far is Washington, D.C. Reagan-National to Kastrup Copenhagen by plane?
There are 4046.3 mi between Washington, D.C. Reagan-National and Kastrup Copenhagen. A reasonable flight in good conditions will take 12h 35m.
When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Kastrup Copenhagen Airport?
Prices for flights from Washington, D.C. Reagan-National Airport to Kastrup Copenhagen Airport were last updated today.
How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Kastrup Copenhagen Airport?
There is 1 operator available for flights from Washington, D.C. Reagan-National Airport to Kastrup Copenhagen Airport as of September 2026.
How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Kastrup Copenhagen Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Kastrup Copenhagen Airport.
What documentation or ID do you need to fly to Kastrup Copenhagen Airport?
The travel and health documents you'll need for your trip to Kastrup Copenhagen Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kastrup Copenhagen Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Washington, D.C. Reagan-National Airport to Copenhagen?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. Reagan-National Airport to Copenhagen is United Airlines (100% of total bookings).

Best airlines flying from Washington, D.C. Reagan-National Airport to Copenhagen

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Copenhagen with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $791	Free Cancellation	Rating 7.4 10,175 reviews		Search United Airlines flights

Kastrup

Roskilde

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We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Copenhagen for you.

Can I find flights from Washington, D.C. to Copenhagen with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Copenhagen flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Copenhagen?

Once all potential Washington, D.C. to Copenhagen flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Copenhagen right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Copenhagen flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Scandinavian Airlines flights from Washington, D.C. Reagan-National Airport to Copenhagen

Our best Scandinavian Airlines deals on Washington, D.C. Reagan-National Airport to Copenhagen flight tickets

Air Canada flights from Washington, D.C. Reagan-National Airport to Copenhagen

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See travel insights to Copenhagen from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Copenhagen

What is the cheapest month to fly to Copenhagen?

What is the cheapest day to depart on your flight to Copenhagen?

What is the cheapest time of day to depart on your flight to Copenhagen?

What is the cheapest airline that flies from Washington, D.C. Reagan-National to Kastrup Copenhagen?

When to book flights from Washington, D.C. Reagan-National Airport to Copenhagen

Cheap Washington, D.C. Reagan-National Airport to Copenhagen (DCA to CPH) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Copenhagen

Best airlines flying from Washington, D.C. Reagan-National Airport to Copenhagen

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Copenhagen with momondo

Traveling to a place near Copenhagen?

Why use momondo?

An easier way to manage your Copenhagen trip

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Cabin classes currently available on flights to Copenhagen

List of cabin classes available on flights landing in Copenhagen. Availability may vary depending on flight origin and airline.

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